assertions.rb: fix return in assert_raise

* test/lib/test/unit/assertions.rb (assert_raise): should fail if
  returned gently in the given block without any exceptions.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60614 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 4 deletions

diff --git a/test/lib/test/unit/assertions.rb b/test/lib/test/unit/assertions.rb
index d23cd7220b..fda2299eb0 100644
--- a/test/lib/test/unit/assertions.rb
+++ b/test/lib/test/unit/assertions.rb
@@ -89,11 +89,13 @@ module Test
           }
 
           return e
-        end
-
-        exp = exp.first if exp.size == 1
+        ensure
+          unless e
+            exp = exp.first if exp.size == 1
 
-        flunk(message(msg) {"#{mu_pp(exp)} expected but nothing was raised"})
+            flunk(message(msg) {"#{mu_pp(exp)} expected but nothing was raised"})
+          end
+        end
       end
 
       def assert_raises(*exp, &b)